brochure downloads This month’s free Simply click on the brochure cover or link to download a PDF of the full publication Johns Manville: glass fibres
This brochure from Johns Manville Fibers division examines its offerings in ThermoFlow chopped strands and StaRov LFTPlus rovings for thermoplastics compounders and the different markets it serves.
B&P: Trivolution Tri-Kneader
This new brochure from B&P Process Equipment has details of the company’s revolutionary Tri-Kneader for demanding compounding applications, delivering uniform dispersion at lower melt temperatures.
➤ Click here to download
➤ Click here to download
Cray Valley: Unique Additives
This six-page publication from Cray Valley covers additives for polymer modification, including products for reactive extrusion, thermal modification and interfacial technology - dispersants, coupling agents and compatibilizers.
➤ Click here to download
K-Tron: performance compounding
Smart Feeding & Conveying Solutions
Introduction
Application Example High Performance Compounding
The production of plastic consists of many important process steps, which are needed to generate a ho- mogeneous application specific plastic compound from a number of different raw materials.
Process
The compounding process is a continuous process. The main steps in the compounding process are:
conveying plasticizing/melting mixing homogenizing blending dispersing devolatizing reacting heating/cooling visc-breaking cooking pressurizing
Main Ingredients
The main ingredients which must be continuously and very accu- rately fed are base polymers such as PP and PE.
Typical Additives
Stabilizers, lubricants, plas- tifiers, colour pigments, fillers, flame retardant, cross linking agents, foam agents, etc.
Glass or carbon fibers for rein- for-cement, base polymer pellets for alloying to new compounds
Recycled material
The additives can be in the form of powders or masterbatch pellets.
Key Requirements One of the key requirements in high speed compounding is to ensure
High Performance Compounder
Loss-in-weight screw feeders
Twin screw side feeder
Devolatizing
Strand die head
Water bath
To bagging station
1 Air knife Pelletizer Polymer Additives Pigment
a continuous, uniform infeed with very tight short-term accuracy and repeatability.
Typical Production Output
Twin screw compounders are equipped with different screw diameters from 25 up to 150 mm in various steps depending on the manufacturer of the compounder. The typical line rates range from 50kg/h up to 6’000 kg/h.
End-Product Industries
Automotive, Building & Construc- tion, Appliances & Housewares,
Polymer A, polymer B and additives as a premix
Electronics, Furniture, Health & Hygiene, Leisure & Sport, Packag- ing, Pipes, Textiles, etc.
Masterbatch
With high per formance com- pounding technology, the time- consuming step of fine grinding of pellets and premixing in batch quantities can be eliminated. Pigments are fed directly into the melt by means of gravimetric feeders. Pigment concentrations up to 70 percent are possible. Compared with the old premix feeding method, the new process
Fillers
Chopped glass fibers
allows formulations with reduced wax content or no wax at all. This means that high performance compounding technology not only benefits productivity and quality but also contributes to reduced raw material costs.
Engineering Plastics
Compounding and pelletizing of engineering plastics (i.e. filling, reinforcing, alloying, colouring and degassing of PA, PP, PET, ABS, PUR, PC or POM) are the specialty of high performance compound- ers.
Typical layout for filling, reinforcing, alloying and colouring
Loss-in-weight belt feeder
Loss-in-weight vibratory feeder
Devolatizing
High Performance Compounder
Twin screw side feeder
Strand die head
Water bath
To bagging station
Air knife Pelletizer
Loss-in-weight screw feeder
Masterbatch production using new split feed technology
This white paper from K-Tron examines the feeding and conveying of raw materials for a variety of performance compounding applications, including the production of masterbatch and technical compounds.
➤ Click here to download
Dow: bio-based plasticizers
GREENER PLASTICIZERS SAFELYMAINTAIN PERFORMANCE
Newproduct changes everything and nothing DOWECOLIBRIUM™
bio-based plasticiz-
ers fromDowWire &Cable are a new family of products forwire and cable jack- eting and insulation. Environmentally friendly options for building, automotive, personal electronics and appliancewire and cabling, the newcompounds are renewable alternatives to traditional PVC plasticizers that have all the same performance qualities.
DOWECOLIBRIUMbio-based plasticizers:
• Are phthalate- and lead-free
• Reduce greenhouse gases by 40 percent versus traditional plasticizers
• Demonstrate outstanding performance at lowand high temperatures
• Exhibit processing, feel and ease of installation similar to currentmaterials
(Comparable performance toDIDP, can achieve equivalent Shore A at lower loading.)
Performance Comparison in Model Formulation DIDP
60 PHR
Properties Shore A
Initial Properties Modulus (1% secant: psi) Tensile (psi) Elongation (%)
Aged 10 days at 100°C Tensile (psi) Retained Tensile (%) Elongation (%) Retained Elongation (%)
Low-temperature Brittleness per ASTM D746 LOI
Volume Resistivity ohm-m (x10**6)
87.6
9380 2020 248
2053 102 221 89
-5˚C 23
590
Meetmarket and regulatory requirements
DOW ECOLIBRIUM
(LPLAS 1101 EXP1) 60 PHR
82.2
7900 2104 280
2513 119 212 76
Not Tested 23 91
DOW ECOLIBRIUM
(LPLAS 1101 EXP1) 51 PHR
87.1
11731 2407 235
2747 114 189 80
-5˚C 24
320 DOWECOLIBRIUM™ meets increasingly
tough requirementswithoutmissing a beat. They are the first bio-based plasti- cizers on themarketwith the ability tomeet all regulatory requirements, including heat-deformation resistance and high temperature ratings. For personal electronics and appliance manufacturers, thismeans:
• Optimumflame resistance • Reduced carbon footprint • Safe end-of-life disposal
For those in building & construction, phalate- and lead-freeDOW ECOLIBRIUMoffers safe buildingwire options for end
users.Moreover, com- pounds are bio-based, enabling cable makers and building industry end users to achieve carbon credits, andU.S. GreenBuildingCouncil LEED(Leader- ship in Energy and Environmental Design)Certification in theUSA.
Dow has a wealth of literature available on its Ecolibrium bio-based plasticizers. There are technical presentations, plus brochures focused on construction, transportation and electrical & electronic applications.
➤ Click here to download
Steer: twin-screw extruders
This six-page brochure from Steer has specifications and target applications for its wide range of twin-screw co-rotating extruders, including the Alpha, Omega, Omicron and Mega Series machines.
➤ Click here to download
If you would like your brochure to be included on this page, please contact Claire Bishop.
claire@amimagazines.com. Tel: +44 (0)20 8686 8139
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62 |
Page 63 |
Page 64 |
Page 65 |
Page 66 |
Page 67 |
Page 68
